Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 50 ppm 150 ppm 200 ppm 100 ppm 50 ppm 150 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Manning Kutter Bazin Chezy Manning Kutter Bazin Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is SO₂ O₂ CO₂ CO₂ SO₂ O₂ CO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum recommended diameter of sewers, is 5 cm 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the side of a square sewer is 1000 mm, the diameter of a hydraulically equivalent circular section, is 1065 mm 1095 mm 1045 mm 1075 mm 1065 mm 1095 mm 1045 mm 1075 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
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